477220 has 24 divisors (see below), whose sum is σ = 1016064. Its totient is φ = 188256.

The previous prime is 477209. The next prime is 477221. The reversal of 477220 is 22774.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 477191 and 477200.

It is not an unprimeable number, because it can be changed into a prime (477221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2029 + ... + 2251.

It is an arithmetic number, because the mean of its divisors is an integer number (42336).

2⁴⁷⁷²²⁰ is an apocalyptic number.

It is an amenable number.

477220 is an abundant number, since it is smaller than the sum of its proper divisors (538844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

477220 is a wasteful number, since it uses less digits than its factorization.

477220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339 (or 337 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 22.

The square root of 477220 is about 690.8111174554. The cubic root of 477220 is about 78.1459026736.

Adding to 477220 its reverse (22774), we get a palindrome (499994).

The spelling of 477220 in words is "four hundred seventy-seven thousand, two hundred twenty", and thus it is an iban number.